CN214747450U - Waste oil regeneration rectification system waste heat utilization equipment - Google Patents
Waste oil regeneration rectification system waste heat utilization equipment Download PDFInfo
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- CN214747450U CN214747450U CN202121040652.XU CN202121040652U CN214747450U CN 214747450 U CN214747450 U CN 214747450U CN 202121040652 U CN202121040652 U CN 202121040652U CN 214747450 U CN214747450 U CN 214747450U
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Abstract
The utility model relates to a waste oil regeneration rectification system waste heat utilization equipment. The device comprises a rectification system, wherein a main oil gas pipe is connected to an outlet of the rectification system, the main oil gas pipe is divided into a first oil gas pipe and a second oil gas pipe, a first waste heat recovery pipe is sleeved on the first oil gas pipe, a second waste heat recovery pipe is sleeved on the second oil gas pipe, and the bottom end of the second waste heat recovery pipe is communicated with a cold water tank; an oil cooling tank is arranged behind the main oil-gas pipeline, and a first air inlet and a second air inlet are arranged on the oil cooling tank; the first oil-gas pipe and the second oil-gas pipe are respectively connected with the first air inlet and the second air inlet, a waste oil inlet and a waste oil heating oil outlet are arranged on the oil cooling tank, the waste oil heating oil outlet is connected with one end of the first oil-gas pipe, and a heating oil discharge pipe is arranged at the other end of the first oil-gas pipe; the oil cooling tank is connected with the water cooling tank, the water cooling tank is connected with a cold water inlet pipe and a hot water outlet pipe, and an oil discharge port is formed in the bottom of the water cooling tank. The device reduces the consumption and the energy consumption of the existing cooling circulating water and reduces the occupied area and the volume of the water collecting tank.
Description
Technical Field
The utility model relates to a waste oil regeneration rectification system waste heat utilization equipment.
Background
Waste oils have the dual characteristics of being polluting and resource-intensive, and recycling and reuse will save energy and relieve the pressure of resource shortages. The waste oil regeneration equipment comprises a pretreatment system, a filtering system, a heating system, a waste heat recovery system, a decoking system, a cracking system, a rectification system, a condensation heat exchange system and the like. In the treatment process of the rectification system, the waste oil needs to be heated to be gasified, and then the gasified oil is rapidly cooled to be changed into liquid oil. The rapid cooling process generally adopts circulating water circulation cooling treatment, heat generated by waste oil gasification is taken away through cold water circulation, not only is the waste of circulating cold water caused, but also waste heat is not fully utilized, and the energy consumption of the whole rectifying system in the operation process is high and the economic cost is increased. Therefore, the waste heat utilization device of the waste oil regeneration and rectification system is tried to be researched in the industry so as to reduce energy consumption and cost and realize full reutilization of waste heat; however, as the cooling of the circulating water belongs to the most conventional and simplest cooling mode, the circulating water is still commonly adopted in the industry, and the existing devices for utilizing the waste heat of the waste oil regeneration and rectification system are still less.
SUMMERY OF THE UTILITY MODEL
The utility model provides a waste oil regeneration rectification system waste heat utilization equipment, the structural design science, the heat of the oil gas through make full use of total gas pipe transport, on the one hand for the heating before the waste oil rectification provides the heat, on the other hand, the oil gas heat of collection still can heat partly water and be used for other equipment of system and provide hot water or do other uses, the quantity and the energy consumption of current cooling circulation water that have wholly significantly reduced have reduced catch basin area and volume, the problem that exists among the prior art has been solved.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
a waste oil regeneration rectification system waste heat utilization device comprises a rectification system, wherein a total oil gas pipe is connected to an outlet of the rectification system, the outlet end of the total oil gas pipe is branched into a first oil gas pipe and a second oil gas pipe, the first oil gas pipe is sleeved with a first waste heat recovery pipe, the second oil gas pipe is sleeved with a second waste heat recovery pipe, the bottom end of the second waste heat recovery pipe is communicated with a cold water tank, and a temperature display is arranged on the cold water tank; an oil cooling tank is arranged behind the main oil-gas pipeline, and a first air inlet and a second air inlet are arranged on the oil cooling tank; the first oil-gas pipe is connected with the first air inlet, the second oil-gas pipe is connected with the second air inlet, a waste oil inlet and a waste oil heating oil outlet are formed in the oil cooling tank, the waste oil heating oil outlet is connected with one end of the first oil-gas pipe through a pipeline, and a heating oil discharge pipe is arranged at the other end of the first oil-gas pipe; the oil cooling tank is connected with the water cooling tank, the water cooling tank is connected with a cold water inlet pipe and a hot water outlet pipe, and the bottom end of the water cooling tank is provided with an oil discharge port.
Furthermore, a water outlet end of the cold water tank is connected with a water drainage pipeline, and a valve is arranged on the water drainage pipeline.
Furthermore, a branch pipeline is also arranged on the water discharge pipeline.
Furthermore, the first oil and gas pipe is an oil and gas pipe with the inner diameter gradually reduced along the conveying direction; the second oil gas pipe is an oil gas pipe with a longitudinal section in an inverted isosceles trapezoid shape. By the arrangement, the residual heat in the early stage can be fully collected.
Further, the water amount in the cold water tank does not exceed 1/2 of the total volume of the second oil-gas pipe and the cold water tank. So set up, when guaranteeing that the second oil gas pipe fully collects waste heat in earlier stage, also realized heating the effect of hot water in the cold water storage cistern gradually.
Furthermore, a first coil pipe which is coiled in an annular mode is arranged in the oil cooling tank, and a second coil pipe which is coiled in an annular mode is arranged in the water cooling pipe; the heating water outlet pipe is connected with an external water collecting tank.
Further, the first air inlet is formed in the top end of the oil cooling tank, and the second air inlet is formed in the outer side of the top of the oil cooling tank.
The utility model has the advantages that:
the utility model discloses a waste oil regeneration rectifying system waste heat utilization equipment structural design is scientific, reasonable, and the current circulating water quantity of recirculated cooling water mode refrigerated that has significantly reduced has reduced the energy consumption, the cost is reduced. The waste oil heating device is characterized in that early-stage waste heat collected by a first waste heat collecting pipe and middle-stage waste heat collected by an oil cooling tank are fully utilized to heat waste oil, then the early-stage waste heat collected by a second waste heat collecting pipe is fully utilized, when one part of the early-stage waste heat collected by the second waste heat collecting pipe is used for providing the middle-stage waste heat in the oil cooling tank, water in a cold water tank is also heated, and hot water used in a production system is discharged after a certain temperature is reached. The device well avoids the problems of large energy consumption, large water consumption and high cost caused by the circulating cooling of the existing cooling water.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 rectification system, 2 total gas pipes, 3 first oil gas pipes, 4 second oil gas pipes, 5 first waste heat recovery pipes, 6 second waste heat recovery pipes, 7 cold water tanks, 8 temperature display, 9 oil cooling tank, 10 first air inlets, 11 second air inlets, 12 waste oil inlets, 13 waste oil heating oil outlets, 14 heating oil discharge pipes, 15 water cooling tanks, 16 cold water inlet pipes, 17 heating water outlet pipes, 18 oil discharge ports, 19 drain lines, 20 valves, 21 branch lines, 22 first coil pipes, 23 second coil pipes, 24 catch basins.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present invention is explained in detail below by means of specific embodiments and with reference to the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, the waste heat utilization device of the waste oil regeneration rectification system comprises a rectification system 1, a total oil-gas pipe 2 is connected to an outlet of the rectification system, a first oil-gas pipe 3 and a second oil-gas pipe 4 are branched at an outlet end of the total oil-gas pipe, a first waste heat recovery pipe 5 is sleeved on the first oil-gas pipe, a second waste heat recovery pipe 6 is sleeved on the second oil-gas pipe, a cold water tank 7 is communicated with the bottom end of the second waste heat recovery pipe, and a temperature display 8 is arranged on the cold water tank; an oil cooling tank 9 is arranged behind the main oil-gas pipeline, and a first air inlet 10 and a second air inlet 11 are arranged on the oil cooling tank; first oil gas pipe 3 links to each other with first air inlet 10, and second oil gas pipe 4 links to each other with second air inlet 11, and oil cooling tank top is located to first air inlet, and the oil cooling tank top outside is located to the second air inlet. A waste oil inlet 12 and a waste oil heating outlet 13 are arranged on the oil cooling tank 9, the waste oil heating outlet is connected with one end of a first oil-gas pipe 3 through a pipeline, and a heating oil discharge pipe 14 is arranged at the other end of the first oil-gas pipe; the oil cooling tank is connected with a water cooling tank 15, the water cooling tank is connected with a cold water inlet pipe 16 and a heating water outlet pipe 17, and the bottom end of the water cooling tank is provided with an oil outlet 18.
The water outlet end of the cold water tank is connected with a water discharge pipeline 19, and a valve 20 is arranged on the water discharge pipeline; a branch line 21 is also provided in the drain line. The water amount in the cold water tank does not exceed 1/2 of the total volume of the second oil-gas pipe and the cold water tank.
The first oil-gas pipe is an oil-gas pipe with the inner diameter gradually reduced along the conveying direction; the second oil gas pipe is an oil gas pipe with a longitudinal section in an inverted isosceles trapezoid shape.
A first coil 22 wound in an annular shape is provided in the oil cooling tank, and a second coil 23 wound in an annular shape is provided in the water cooling pipe; the heating water outlet pipe is connected with an external water collecting tank 24.
When in use: oil gas produced by rectification of the rectification system 1 is discharged from a main oil gas pipe 2 and respectively enters a first oil gas pipe 3 and a second oil gas pipe 4, a first waste heat recovery pipe 5 on the first oil gas pipe collects early-stage waste heat, waste heat collected by a second waste heat recovery pipe 6 on the second oil gas pipe can be gradually influenced by water in a cold water tank 7 to be properly cooled, and a temperature display on the cold water tank can display water temperature. The oil gas discharged by the first waste heat collecting pipe 5 and the second waste heat collecting pipe continuously enters the oil cooling tank 9, and the inlets are separated; meanwhile, the waste oil inlet 12 of the oil cooling tank 9 is filled with oil, waste oil to be heated is made to fully utilize the waste heat in the middle period of the oil gas, the waste oil is heated by the heat of the oil gas conveyed downwards along the oil cooling tank, the heated waste oil is discharged from the waste oil heating oil outlet 13 of the oil cooling tank, continues to enter the first waste heat recovery pipe 5, is heated by the gas with higher temperature in the waste oil recovery pipe, and finally enters the subsequent treatment system. The oil gas cooled by the outlet of the oil cooling tank continuously enters the water cooling tank 15 to be cooled into cooling oil through cold water circulation, and the cooling oil is discharged from the oil outlet 18. According to the display of the temperature display 8, the hot water in the cold water tank which is heated to a certain degree can be discharged for other use, specifically, a valve 20 is started and is realized through a branch pipeline 21; then, continuously adding cold water into the water inlet of the cold water tank; the part of cold water is heated and is different from cooling water circulation, and the heated water can be used for a system, so that the design is reasonable, and the energy consumption is reduced.
By arranging the first waste heat recovery pipe 5 with the inner diameter gradually reduced, the early-stage waste heat can be collected as much as possible; and still set up the cold water tank through 6 positions at second waste heat recovery pipe, can absorb this waste heat water supply tank water heating in gradually when collecting waste heat in earlier stage, through the temperature of temperature display, implement to open troublesome 20 and will heat the back water discharge and be used for other hot water use of department in the system, not only guaranteed that waste heat in earlier stage lasts and gets into oil cooling jar, can increase the utilization way of waste heat in earlier stage moreover. The device structural design is scientific and reasonable, the circulating water consumption of the existing circulating cooling water mode is greatly reduced on the whole, the energy consumption is reduced, and the cost is reduced.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (7)
1. A waste oil regeneration rectification system waste heat utilization device comprises a rectification system and is characterized in that a total oil gas pipe is connected to an outlet of the rectification system, the outlet end of the total oil gas pipe is branched into a first oil gas pipe and a second oil gas pipe, the first oil gas pipe is sleeved with a first waste heat recovery pipe, the second oil gas pipe is sleeved with a second waste heat recovery pipe, the bottom end of the second waste heat recovery pipe is communicated with a cold water tank, and a temperature display is arranged on the cold water tank; an oil cooling tank is arranged behind the main oil-gas pipeline, and a first air inlet and a second air inlet are arranged on the oil cooling tank; the first oil-gas pipe is connected with the first air inlet, the second oil-gas pipe is connected with the second air inlet, a waste oil inlet and a waste oil heating oil outlet are formed in the oil cooling tank, the waste oil heating oil outlet is connected with one end of the first oil-gas pipe through a pipeline, and a heating oil discharge pipe is arranged at the other end of the first oil-gas pipe; the oil cooling tank is connected with the water cooling tank, the water cooling tank is connected with a cold water inlet pipe and a hot water outlet pipe, and the bottom end of the water cooling tank is provided with an oil discharge port.
2. The waste heat utilization device of the waste oil regeneration rectification system as claimed in claim 1, wherein a water outlet end of the cold water tank is connected with a water drainage pipeline, and a valve is arranged on the water drainage pipeline.
3. The waste heat utilization device of the waste oil regeneration rectification system as claimed in claim 2, wherein a branch pipeline is further arranged on the water discharge pipeline.
4. The waste heat utilization device of the waste oil regeneration and rectification system as claimed in claim 1 or 2, wherein the first oil-gas pipe is an oil-gas pipe with an inner diameter gradually reduced along a conveying direction; the second oil gas pipe is an oil gas pipe with a longitudinal section in an inverted isosceles trapezoid shape.
5. The waste heat utilization device of the waste oil regeneration and rectification system as claimed in claim 1 or 2, wherein the water amount in the cold water tank is not more than 1/2 of the total volume of the second oil gas pipe and the cold water tank.
6. The waste heat utilization device of the waste oil regeneration and rectification system as claimed in claim 1 or 2, wherein a first coil pipe which is circularly coiled is arranged in the oil cooling tank, and a second coil pipe which is circularly coiled is arranged in the water cooling pipe; the heating water outlet pipe is connected with an external water collecting tank.
7. The waste heat utilization device of the waste oil regeneration and rectification system as claimed in claim 1 or 2, wherein the first air inlet is formed at the top end of the oil cooling tank, and the second air inlet is formed at the outer side of the top of the oil cooling tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121040652.XU CN214747450U (en) | 2021-05-14 | 2021-05-14 | Waste oil regeneration rectification system waste heat utilization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121040652.XU CN214747450U (en) | 2021-05-14 | 2021-05-14 | Waste oil regeneration rectification system waste heat utilization equipment |
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| Publication Number | Publication Date |
|---|---|
| CN214747450U true CN214747450U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121040652.XU Active CN214747450U (en) | 2021-05-14 | 2021-05-14 | Waste oil regeneration rectification system waste heat utilization equipment |
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| CN (1) | CN214747450U (en) |
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2021
- 2021-05-14 CN CN202121040652.XU patent/CN214747450U/en active Active
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